Pain
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Low back pain patients' responses to the McGill Pain Questionnaire (MPQ) were factor analyzed using the principal factor method and direct oblique rotation procedures. Four factors were extracted that accounted for 55% of the total variance. ⋯ The results provided positive evidence that the sensory pressure, evaluative, and affective-sensory factors that were previously identified are stable dimensions underlying the MPQ responses of low back pain patients. However, it is necessary to conduct further cross-validation studies using patients from a wide variety of treatment settings.
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Comparative Study
A comparison of the McGill Pain Questionnaire in chronic and acute pain.
The McGill Pain Questionnaire (MPQ) is widely used in pain research and treatment. The internal structure of the questionnaire has been subjected to empirical investigation, with sensory and reactive factors documented. In the present study, questionnaire responses of 95 women experiencing acute (post episiotomy) pain are analyzed. ⋯ It is suggested that acute pain involves less differentiation of sensory, affective and evaluative language dimensions. Rating scales were also administered. Ratings of labor and episiotomy pain were uncorrelated indicating the importance of distinguishing between these in studying pain in the puerperium.